2187481520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:488

約数の個数: 240

約数和(自身を含む): 6253314048

約数和(自身を除く): 4065832528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 47, 49, 56, 62, 70, 80, 94, 98, 112, 124, 140, 155, 188, 196, 217, 235, 245, 248, 280, 310, 329, 376, 383, 392, 434, 470, 490, 496, 560, 620, 658, 752, 766, 784, 868, 940, 980, 1085, 1240, 1316, 1457, 1519, 1532, 1645, 1736, 1880, 1915, 1960, 2170, 2303, 2480, 2632, 2681, 2914, 3038, 3064, 3290, 3472, 3760, 3830, 3920, 4340, 4606, 5264, 5362, 5828, 6076, 6128, 6580, 7285, 7595, 7660, 8680, 9212, 10199, 10724, 11515, 11656, 11873, 12152, 13160, 13405, 14570, 15190, 15320, 17360, 18001, 18424, 18767, 20398, 21448, 23030, 23312, 23746, 24304, 26320, 26810, 29140, 30380, 30640, 36002, 36848, 37534, 40796, 42896, 46060, 47492, 50995, 53620, 58280, 59365, 60760, 71393, 72004, 75068, 81592, 83111, 90005, 92120, 93835, 94984, 101990, 107240, 116560, 118730, 121520, 126007, 142786, 144008, 150136, 163184, 166222, 180010, 184240, 187670, 189968, 203980, 214480, 237460, 252014, 285572, 288016, 300272, 332444, 356965, 360020, 375340, 407960, 415555, 474920, 504028, 558031, 571144, 581777, 630035, 664888, 713930, 720040, 750680, 815920, 831110, 882049, 949840, 1008056, 1116062, 1142288, 1163554, 1260070, 1329776, 1427860, 1440080, 1501360, 1662220, 1764098, 2016112, 2232124, 2327108, 2520140, 2790155, 2855720, 2908885, 3324440, 3528196, 3906217, 4410245, 4464248, 4654216, 5040280, 5580310, 5711440, 5817770, 6648880, 7056392, 7812434, 8820490, 8928496, 9308432, 10080560, 11160620, 11635540, 14112784, 15624868, 17640980, 19531085, 22321240, 23271080, 27343519, 31249736, 35281960, 39062170, 44642480, 46542160, 54687038, 62499472, 70563920, 78124340, 109374076, 136717595, 156248680, 218748152, 273435190, 312497360, 437496304, 546870380, 1093740760, 2187481520]

約数ペア:

[(1, 2187481520), (2, 1093740760), (4, 546870380), (5, 437496304), (7, 312497360), (8, 273435190), (10, 218748152), (14, 156248680), (16, 136717595), (20, 109374076), (28, 78124340), (31, 70563920), (35, 62499472), (40, 54687038), (47, 46542160), (49, 44642480), (56, 39062170), (62, 35281960), (70, 31249736), (80, 27343519), (94, 23271080), (98, 22321240), (112, 19531085), (124, 17640980), (140, 15624868), (155, 14112784), (188, 11635540), (196, 11160620), (217, 10080560), (235, 9308432), (245, 8928496), (248, 8820490), (280, 7812434), (310, 7056392), (329, 6648880), (376, 5817770), (383, 5711440), (392, 5580310), (434, 5040280), (470, 4654216), (490, 4464248), (496, 4410245), (560, 3906217), (620, 3528196), (658, 3324440), (752, 2908885), (766, 2855720), (784, 2790155), (868, 2520140), (940, 2327108), (980, 2232124), (1085, 2016112), (1240, 1764098), (1316, 1662220), (1457, 1501360), (1519, 1440080), (1532, 1427860), (1645, 1329776), (1736, 1260070), (1880, 1163554), (1915, 1142288), (1960, 1116062), (2170, 1008056), (2303, 949840), (2480, 882049), (2632, 831110), (2681, 815920), (2914, 750680), (3038, 720040), (3064, 713930), (3290, 664888), (3472, 630035), (3760, 581777), (3830, 571144), (3920, 558031), (4340, 504028), (4606, 474920), (5264, 415555), (5362, 407960), (5828, 375340), (6076, 360020), (6128, 356965), (6580, 332444), (7285, 300272), (7595, 288016), (7660, 285572), (8680, 252014), (9212, 237460), (10199, 214480), (10724, 203980), (11515, 189968), (11656, 187670), (11873, 184240), (12152, 180010), (13160, 166222), (13405, 163184), (14570, 150136), (15190, 144008), (15320, 142786), (17360, 126007), (18001, 121520), (18424, 118730), (18767, 116560), (20398, 107240), (21448, 101990), (23030, 94984), (23312, 93835), (23746, 92120), (24304, 90005), (26320, 83111), (26810, 81592), (29140, 75068), (30380, 72004), (30640, 71393), (36002, 60760), (36848, 59365), (37534, 58280), (40796, 53620), (42896, 50995), (46060, 47492)]